How to create an L2TP VPN connection on iOS devices like iPhone or iPad?
Launch the Settings application
Go to General under Settings
Click Add VPN Configuration
Click L2TP and enter the following information:
a) Description: LimeVPN L2TP In the Server Address field, enter any one of the server mentioned under http://network.limevpn.com/
b) Account: Your LimeVPN login email
c) Password: Your LimeVPN Password
Enter secret key private and Save
NOTE: If you are using a dedicated IP (LimeVPN Pro) or eu10.limevpn.com , then the secret key will be limevpn
Note : To connect to VPN, make sure your VPN profile is selected and slide the VPN button right to connect.